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Finding the Fourth Proportional to 325,424.73, 488,451.94 and 157,063.57

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Solution

The fourth proportional to 325,424.73, 488,451.94 and 157,063.57 is: 235,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,424.73 : 488,451.94 = 157,063.57 : x
  2. Step 2: Convert to fraction form
    325,424.73/488,451.94 = 157,063.57/x
  3. Step 3: Cross multiply
    325,424.73x = 488,451.94 × 157,063.57
  4. Step 4: Simplify right side
    325,424.73x = 76,718,006,668.20
  5. Step 5: Solve for x
    x = 76,718,006,668.20/325,424.73
  6. Step 6: Final answer
    x = 235,747.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.